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Glaukos

297 hedge funds and large institutions have $6.3B invested in Glaukos in 2025 Q2 according to their latest regulatory filings, with 47 funds opening new positions, 142 increasing their positions, 83 reducing their positions, and 66 closing their positions.

New
Increased
Maintained
Reduced
Closed

71% more repeat investments, than reductions

Existing positions increased: 142 | Existing positions reduced: 83

10% more capital invested

Capital invested by funds: $5.71B → $6.3B (+$594M)

5.07% more ownership

Funds ownership: 101.75%106.82% (+5.1%)

0% more funds holding in top 10

Funds holding in top 10: 44 (0)

6% less funds holding

Funds holding: 317297 (-20)

29% less first-time investments, than exits

New positions opened: 47 | Existing positions closed: 66

41% less call options, than puts

Call options by funds: $27.8M | Put options by funds: $47M

Holders
297
Holders Change
-20
Holders Change %
-6.31%
% of All Funds
3.91%
Holding in Top 10
4
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.05%
New
47
Increased
142
Reduced
83
Closed
66
Calls
$27.8M
Puts
$47M
Net Calls
-$19.2M
Net Calls Change
+$30.8M
Name Holding Trade Value Shares
Change
Change in
Stake
BlackRock
1
BlackRock
New York
$901M +$15.8M +168,089 +2%
Fidelity Investments
2
Fidelity Investments
Massachusetts
$655M -$18.9M -201,028 -3%
Vanguard Group
3
Vanguard Group
Pennsylvania
$631M +$13.8M +147,104 +2%
Wellington Management Group
4
Wellington Management Group
Massachusetts
$335M +$89.5M +953,614 +42%
State Street
5
State Street
Massachusetts
$216M +$9.94M +105,972 +5%
Ameriprise
6
Ameriprise
Minnesota
$207M +$5.19M +55,297 +3%
Primecap Management
7
Primecap Management
California
$189M +$57.2M +609,523 +50%
Geode Capital Management
8
Geode Capital Management
Massachusetts
$137M +$10.8M +115,529 +10%
AllianceBernstein
9
AllianceBernstein
Tennessee
$129M -$2.41M -25,685 -2%
Westfield Capital Management
10
Westfield Capital Management
Massachusetts
$121M +$7.85M +83,669 +8%
BCM
11
Brown Capital Management
Maryland
$118M -$5.02M -53,470 -4%
William Blair Investment Management
12
William Blair Investment Management
Illinois
$117M +$36.7M +390,805 +52%
Janus Henderson Group
13
Janus Henderson Group
United Kingdom
$112M +$17.5M +186,827 +21%
Holocene Advisors
14
Holocene Advisors
New York
$108M +$28.1M +299,118 +40%
Invesco
15
Invesco
Georgia
$103M -$42.7M -455,024 -31%
Capital World Investors
16
Capital World Investors
California
$87.9M +$28.2M +300,571 +55%
Norges Bank
17
Norges Bank
Norway
$76.3M +$7.87M +83,897 +13%
Point72 Asset Management
18
Point72 Asset Management
Connecticut
$74.3M +$67.5M +719,262 New
GGHC
19
Gilder Gagnon Howe & Co
New York
$72.4M -$12.8M -135,895 -16%
Charles Schwab
20
Charles Schwab
California
$72.4M +$5.49M +58,480 +9%
JP Morgan Chase
21
JP Morgan Chase
New York
$66.4M +$5.57M +59,389 +10%
Northern Trust
22
Northern Trust
Illinois
$65.6M +$6.13M +65,283 +11%
B
23
Braidwell
Connecticut
$62.3M -$1.97M -21,021 -3%
Loomis, Sayles & Company
24
Loomis, Sayles & Company
Massachusetts
$61.3M -$4.37M -46,538 -7%
Goldman Sachs
25
Goldman Sachs
New York
$57.9M +$18M +191,773 +52%

GKOS Hedge Fund Activity: Q2 2025 in Review

297 of the 7,595 institutional investors tracked by Wall St. Rank reported a position in Glaukos (GKOS) for Q2 2025, worth a combined $6.3B — up 10% from $5.71B a quarter earlier.

Sellers outnumbered buyers: 66 funds closed out of GKOS and 47 opened new positions — a net loss of 19 holders — while 83 trimmed existing stakes and 142 added.

The largest buyer was Wellington Management Group, adding an estimated $89.5M. The largest seller was Driehaus Capital Management, cutting an estimated $44.4M.

  • 297 institutional investors held Glaukos (GKOS) as of Q2 2025, down from 317 in Q1 2025.
  • Funds reported $6.3B of Glaukos stock for Q2 2025, up 10% quarter-over-quarter.
  • 47 funds opened new Glaukos positions in Q2 2025 and 66 closed out, a net change of -19 holders.
  • The largest Glaukos buyer in Q2 2025 was Wellington Management Group, an estimated $89.5M added.
  • The largest Glaukos seller in Q2 2025 was Driehaus Capital Management, an estimated $44.4M sold.

Based on aggregated 13F filings for Q2 2025.